DE69033573D1 - Konferenznetzwerk - Google Patents

Konferenznetzwerk

Info

Publication number
DE69033573D1
DE69033573D1 DE69033573T DE69033573T DE69033573D1 DE 69033573 D1 DE69033573 D1 DE 69033573D1 DE 69033573 T DE69033573 T DE 69033573T DE 69033573 T DE69033573 T DE 69033573T DE 69033573 D1 DE69033573 D1 DE 69033573D1
Authority
DE
Germany
Prior art keywords
conference
node
nodes
ring
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69033573T
Other languages
English (en)
Other versions
DE69033573T2 (de
Inventor
Kare Presttun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
THOMSON CSF NORCOM AS OSLO
Original Assignee
THOMSON CSF NORCOM AS OSLO
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by THOMSON CSF NORCOM AS OSLO filed Critical THOMSON CSF NORCOM AS OSLO
Application granted granted Critical
Publication of DE69033573D1 publication Critical patent/DE69033573D1/de
Publication of DE69033573T2 publication Critical patent/DE69033573T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M3/00Automatic or semi-automatic exchanges
    • H04M3/42Systems providing special services or facilities to subscribers
    • H04M3/56Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H04M3/561Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M2203/00Aspects of automatic or semi-automatic exchanges
    • H04M2203/60Aspects of automatic or semi-automatic exchanges related to security aspects in telephonic communication systems
    • H04M2203/609Secret communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/02Arrangements for interconnection not involving centralised switching involving a common line for all parties
    • H04M9/022Multiplex systems
    • H04M9/025Time division multiplex systems, e.g. loop systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Catalysts (AREA)
  • Telephonic Communication Services (AREA)
DE69033573T 1989-12-22 1990-12-06 Konferenznetzwerk Expired - Fee Related DE69033573T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO895209A NO169208C (no) 1989-12-22 1989-12-22 Fremgangsmaate og node for etablering av konferanseforbindelse

Publications (2)

Publication Number Publication Date
DE69033573D1 true DE69033573D1 (de) 2000-08-10
DE69033573T2 DE69033573T2 (de) 2001-03-08

Family

ID=19892707

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69033573T Expired - Fee Related DE69033573T2 (de) 1989-12-22 1990-12-06 Konferenznetzwerk

Country Status (6)

Country Link
EP (1) EP0433782B1 (de)
JP (1) JPH03289850A (de)
AT (1) ATE194442T1 (de)
DE (1) DE69033573T2 (de)
ES (1) ES2148137T3 (de)
NO (1) NO169208C (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080046276A (ko) 2005-11-07 2008-05-26 마쯔시다덴기산교 가부시키가이샤 와이프 패턴 생성 장치
US20080165708A1 (en) * 2007-01-08 2008-07-10 Avaya Technology Llc Multimedia conferencing method and signal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4289932A (en) * 1979-10-15 1981-09-15 Reed Roger R Conferencing communications system
US4288871A (en) * 1979-11-05 1981-09-08 Bell Telephone Laboratories, Incorporated Digital loop conferencing signal correction arrangement
US4455455A (en) * 1982-12-01 1984-06-19 Gte Business Communication Systems Inc. Internodal conference call administrator
GB2157129A (en) * 1984-04-06 1985-10-16 Standard Telephones Cables Ltd Conference circuit

Also Published As

Publication number Publication date
EP0433782A2 (de) 1991-06-26
JPH03289850A (ja) 1991-12-19
NO169208B (no) 1992-02-10
NO169208C (no) 1992-05-20
ES2148137T3 (es) 2000-10-16
NO895209D0 (no) 1989-12-22
NO895209L (no) 1991-06-24
ATE194442T1 (de) 2000-07-15
EP0433782B1 (de) 2000-07-05
DE69033573T2 (de) 2001-03-08
EP0433782A3 (en) 1993-05-19

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee